The ATS1201E and ATS1204E expanders offer 8 standard inputs, 8 Open Collectors (OC) outputs and a siren driver. The expander can be extended to a total of 32 inputs and 32 outputs. It has a built-in 3 A switched mode power supply.
Features
8 inputs on board
Expandable to 32 inputs
8 Open Collector outputs on board
Expandable to 32 OC outputs/relays with optional cards